No Postage Necessary Guide
The words "BUSINESS REPLY MAIL" must appear in capital letters (at least 3/16 inch high) above the address.
This is a pre-authorized service that allows a person to mail a letter or postcard back to a company without applying a stamp. The company (permit holder) is billed only for the pieces actually returned. Key Format Requirements No Postage Necessary
The imprint "NO POSTAGE NECESSARY IF MAILED IN THE UNITED STATES" must be in the upper right corner. The words "BUSINESS REPLY MAIL" must appear in
Vertical bars at the top edge that help automated sorters identify the mail type. No Postage Necessary
To be valid, the envelope or card must meet strict USPS Postal Explorer standards:

